Finding the Fourth Proportional to 2,151.89, 2,970.59 and 1,654.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151.89 : 2,970.59 = 1,654.35 : x
2. Step 2: Convert to fraction form
   2,151.89/2,970.59 = 1,654.35/x
3. Step 3: Cross multiply
   2,151.89x = 2,970.59 × 1,654.35
4. Step 4: Simplify right side
   2,151.89x = 4,914,387.29
5. Step 5: Solve for x
   x = 4,914,387.29/2,151.89
6. Step 6: Final answer
   x = 2,283.76